Finding the Third Proportional to 28,491.75 and 61,137.38

Step by Step Solution

1. Step 1: Write the proportion equation
   28,491.75 : 61,137.38 = 61,137.38 : x
2. Step 2: Convert to fraction form
   28,491.75/61,137.38 = 61,137.38/x
3. Step 3: Cross multiply
   28,491.75x = 61,137.38 × 61,137.38
4. Step 4: Simplify right side
   28,491.75x = 3,737,778,621.89
5. Step 5: Solve for x
   x = 3,737,778,621.89/28,491.75
6. Step 6: Final answer
   x = 131,188.10